Even though it's a bit pricey, Perlan is in my opinion well worth it. You can walk around an artificial ice cave, watch a volcano exhibition and an immersive aurora show. At the top there's also a nice café with views over the city.

QUICK NOTES:

• What it is: A very interesting museum in Reykjavík with an artificial ice cave, an aurora show, a lava show, a café & more.

• Best season: Any.

• Opening hours: Please check the website.

• Nice to know: There's a nice forest next to Perlan with a lot of hiking trails.